結果 : what is uv light radiation
8:02

ULTRAVIOLET RAYS | How Harmful Are UV Rays? | Ultraviolet Radiation | Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
793,537 回視聴 - 4 年前
3:44

How UV Rays Damage Skin

DocUnlock
180,038 回視聴 - 6 年前
7:44

UV light kills viruses. Why isn't it everywhere?

Vox
1,249,849 回視聴 - 9 か月前
6:05

Science behind UV light! - Ultraviolet radiation UVA UVB and UVC light

DestructiveCreativity
16,829 回視聴 - 4 年前

-
1:16

The dangers of UV on our health

UK Health Security Agency
21,144 回視聴 - 8 年前
4:46

How UV Causes Cancer and Aging

Veritasium
562,752 回視聴 - 6 年前
1:58

Ultraviolet (UV) Can Kill Bacteria & Viruses – Learn The Basics

Bulbs.com
134,575 回視聴 - 4 年前

-
14:49

The Horrors of UV radiation

Dark Science
263,407 回視聴 - 5 か月前
0:40

HOW IS THE EARTH ATMOSPHERE ..AND GASES.. AND EARTH TEMPERATURE STRUCTURE

KB SPACE EXPLORE
624 回視聴 - 2 日前
3:30

UV radiation

Bundesamt für Strahlenschutz
17,552 回視聴 - 5 年前
10:58

Why Do Microbes Explode Under UV Light?

Journey to the Microcosmos
620,751 回視聴 - 3 年前
6:30

UV Light Explained — Why We Need it and its Risks

Fit Father Project - Fitness For Busy Fathers
2,103 回視聴 - 1 年前
7:29

How to know if a UVC device will be safe and effective

CNET
156,960 回視聴 - 4 年前
0:33

How UV-C light works on DNA/RNA

UV Smart Technologies B.V.
16,318 回視聴 - 3 年前
1:19

What is UV and how does it affect us?

Met Office - Learn About Weather
101,400 回視聴 - 7 年前
4:31

Understanding Ultraviolet Light

Superheroes of Science
5,236 回視聴 - 2 年前
11:38

How Ultraviolet Radiation Affects Plants with Dr. Bruce Bugbee

Apogee Instruments Inc.
65,957 回視聴 - 3 年前
2:38

Fighting the flu with ultraviolet light

CBS Evening News
256,643 回視聴 - 6 年前
40:29

What is the Ultraviolet Catastrophe?

Physics Explained
2,186,917 回視聴 - 4 年前
16:24

How Ultraviolet Light Could Help Stop The Spread Of Coronavirus

CNBC
893,291 回視聴 - 4 年前